Pop-up sprinkler



FIG. 1 is a side elevational view of a pop-up sprinkler showing our new design; and

FIG. 2 is a perspective view thereof.

As illustrated the pop-up sprinkler has an enlarged disc like head which is attached to the top of a sprinkler carried by a telescopically movable tube, this head fitting flush into the end of an outer tube secured to a body by a union nut. 

The ornamental design for a pop-up sprinkler, as shown. 